55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
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/*
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* Copyright (c) 2014-2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _OF_TEGRA_SMMU_H
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#define _OF_TEGRA_SMMU_H
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#include <linux/of.h>
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struct smmu_map_prop {
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u64 swgid_mask;
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u64 iova_start;
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u64 iova_size;
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u32 alignment;
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u32 num_pf_page;
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u32 gap_page;
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struct iommu_linear_map *area;
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struct list_head list;
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struct dma_iommu_mapping *map;
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u16 *sid_list;
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int nr_sids;
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};
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size_t tegra_smmu_of_offset(int swgroupid);
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struct dma_iommu_mapping *tegra_smmu_of_get_mapping(struct device *dev,
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u64 swgids,
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struct list_head *asprops);
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int tegra_smmu_of_register_asprops(struct device *dev,
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struct list_head *asprops);
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u64 tegra_smmu_of_get_swgids(struct device *dev,
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const struct of_device_id *matches,
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struct iommu_linear_map **area);
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int tegra_smmu_of_parse_sids(struct device *dev);
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struct dma_iommu_mapping *tegra_smmu_of_get_master_map(struct device *dev,
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u16 *sids, int nr_sids);
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#endif /* _OF_TEGRA_SMMU_H */
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